Understanding History Begins with Time

Period of 1,000 years

• Century

• Decade

• Year

• Millennium

The events of the past or is a record of events from the past.

• History

• Prehistory

• Social Studies

• Geography

This shows events in chronological order

• Graph

• Timeline

• Calendar

• Number line

The order in which events occur

• Alphabetical order

• World order

• Chronological order

Historians us this term to designate dates that are approximate (about or around).

• Circa (ca. or c.)

• A.D.

• B.C.

• B.C.E.

• C.E.

365 Days

• Year

• Century

• Millenium

• Decade

Period of 10 years

• Millenium

• Century

• Year

• Decade

Period of a 100 years

• Decade

• Millenium

• Century

• Year

Also known as the Western or Christian Calendar

• Julian Calendar

• Lunar Calendar

• Solar Calendar

• Gregorian Calendar

B.C.

• Common Era

• Before Christ

• Anno Domini

• Before Common Era